/* ==============================================================================
*
*   Copyright (c) 2010, Pierre Favier
*   All rights reserved.
*
*   NTasking is free software: you can redistribute it and/or modify it
*   under the terms of the GNU General Public License as published by the
*   Free Software Foundation.
*
*   Redistribution and use in source and binary forms, with or without
*   modification, are permitted provided that the following conditions
*   are met:
*
*   -   Redistributions of source code must retain the above copyright notice,
*       this list of conditions and the following disclaimer.
*
*   -   Redistributions in binary form must reproduce the above
*       copyright notice, this list of conditions and the following
*       disclaimer in the documentation and/or other materials
*       provided with the distribution.
*
*   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* ============================================================================== */

using System;
using NUnit.Framework;
using Rhino.Mocks;

namespace NTasking.ValidationTests.ACATS_3_0.C9
{

    [TestFixture(Description = "")]
    public class C9A009A : ValidationTest
    {
        private static Continued continued = null;
        private static T1 t1 = null;
        private static T2 t2 = null;


        private class Continued : ValidationTestTask
        {

            [Entry]
            internal Action<bool> Put { get; private set; }


            [Entry]
            internal Func<bool> Get { get; private set; }


            internal Continued(IValidationTestResult result)
                : base(result)
            {
            }


            protected override void Body()
            {
                bool continued = false;

                while (true)
                {
                    Select(s => s.
                        Accept(Get, () =>
                        {
                            return continued;
                        }).
                    Or.
                        Accept(Put, (cont) =>
                        {
                            continued = cont;
                        }).
                    Or.
                        Terminate
                    );
                }
            }
        }


        private class T1 : ValidationTestTask
        {

            [Entry]
            private Action WaitIndefinitely { get; set; }


            internal T1(IValidationTestResult result)
                : base(result)
            {
            }


            protected override void Body()
            {
                t2.E1();

                Result.TestFailed();
            }

        }


        private class T2 : ValidationTestTask
        {

            [Entry]
            internal Action E1 { get; private set; }


            internal T2(IValidationTestResult result)
                : base(result)
            {
            }


            protected override void Body()
            {
                Accept(E1, () =>
                {
                    t1.Abort();
                    t1.Abort();
                    t1.Abort();

                    if (t1.Terminated)
                    {
                        Console.WriteLine("T1 PREMATURELY TERMINATED");
                        Result.TestFailed();
                    }
                });

                continued.Put(true);
            }

        }


        [Test(Description =
            "TEST ABORT DURING RENDEZVOUS. CALLING TASK IS ABORTED DIRECTLY")]
        public void Test()
        {
            IValidationTestResult result = Mocks.DynamicMock<IValidationTestResult>();

            Ada.Declare(() =>
            {
                continued = new Continued(result);

                // Setup text expectations

                Expect.Call(result.TestFailed).Repeat.Never();

                Expect.Call(() => result.TaskFinished(continued));
            },
            Begin: () =>
            {
                Ada.Declare(() =>
                {
                    t2 = new T2(result);
                    t1 = new T1(result);

                    Expect.Call(() => result.TaskAborted(t1));

                    Expect.Call(() => result.TaskFinished(t2));

                    Mocks.ReplayAll();
                },
                Begin: () =>
                {
                });

                // Start test execution

                if (!continued.Get())
                {
                    Console.WriteLine(
                        "WHEN CALLER WAS ABORTED IN RENDEVOUS, CALLED " +
                        "TASK DID NOT CONTINUE");
                    result.TestFailed();
                }
            });

        }

    }

}
